Gemini 3.5 Flash Lite is a high-efficiency model from Google with upgraded agentic capabilities. It is suited for subagents that execute focused tasks within complex, multi-agent workflows.
Model details →Google: Gemini 3.5 Flash Lite vs xAI: Grok 4.1 Fast
xAI: Grok 4.1 Fast wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
Grok 4.1 Fast is xAI's best agentic tool calling model that shines in real-world use cases like customer support and deep research. 2M context window. Reasoning can be enabled/disabled using the `reasoning` `enabled` parameter in the API. …
Model details →Side-by-side comparison
| Capability | Google: Gemini 3.5 Flash Lite | xAI: Grok 4.1 Fast | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 1.0M | 2M | 🏆 xAI: Grok 4.1 Fast |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.30 | $0.20 | 🏆 xAI: Grok 4.1 Fast |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $2.50 | $0.50 | 🏆 xAI: Grok 4.1 Fast |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | Yes | Yes | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is Google: Gemini 3.5 Flash Lite better than xAI: Grok 4.1 Fast?
xAI: Grok 4.1 Fast wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between Google: Gemini 3.5 Flash Lite and xAI: Grok 4.1 Fast?
Input: $0.30 vs $0.20 per 1M tokens. Output: $2.50 vs $0.50 per 1M tokens.
What context windows do Google: Gemini 3.5 Flash Lite and xAI: Grok 4.1 Fast support?
Google: Gemini 3.5 Flash Lite supports up to 1.0M tokens. xAI: Grok 4.1 Fast supports up to 2M tokens.
Do both Google: Gemini 3.5 Flash Lite and xAI: Grok 4.1 Fast support tool calling?
Google: Gemini 3.5 Flash Lite: yes. xAI: Grok 4.1 Fast: yes.
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